Patents
Patents for F02D 21 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas (5,404)
08/1997
08/12/1997US5655363 Air-fuel ratio control system for internal combustion engines
08/07/1997DE19603472A1 Regulating exhaust gas recirculation rate of internal combustion engine
08/05/1997US5653212 Exhaust gas recirculation system
07/1997
07/10/1997DE19643053C1 Exhaust nitrogen oxide emissions reduction method for directly fuel-injected IC engine
06/1997
06/12/1997WO1997021029A1 Method and device for the control of an internal-combustion engine
06/12/1997DE19615545C1 Motor vehicle diesel engine regulation device
06/12/1997DE19545221A1 Verfahren und Vorrichtung zur Steuerung einer Brennkraftmaschine Method and apparatus for controlling an internal combustion engine
06/11/1997EP0778409A2 Abnormality detecting apparatus for exhaust gas recirculation system for use in engine
06/10/1997US5636614 Electronic control system for an engine and the method thereof
05/1997
05/28/1997EP0775817A1 Exhaust gas recirculation for supercharged internal combustion engines
05/27/1997US5632258 Exhaust gas recirculation control apparatus for an internal combustion engine
05/27/1997US5632144 Exhaust gas re-circulation control device for internal combustion engines
05/21/1997EP0774574A1 Excess air factor detecting device and excess air factor controlling device for an engine
05/07/1997DE19644102A1 Diesel engine fuel viscosity detector
05/07/1997DE19541176A1 Combustion engine with direct inert gas charge
04/1997
04/17/1997WO1997013967A1 Stratified charge engine
04/17/1997WO1997013966A1 Multi-stage combustion engine
04/15/1997US5619974 Method for forming a signal relating to the quantity of exhaust gas recirculated in an internal combustion engine
03/1997
03/26/1997EP0764780A2 Flow quantity valve controller and manufacturing method for flow quantity valve
03/25/1997US5613479 Pressure feedback exhaust gas recirculation system
03/11/1997US5609131 Multi-stage combustion engine
02/1997
02/11/1997US5601068 Method and apparatus for controlling a diesel engine
02/06/1997WO1997004229A1 An exhaust gas recirculation system for a compression ignition engine and a method of controlling exhaust gas recirculation in a compression ignition engine
01/1997
01/21/1997US5595060 Apparatus and method for internal-combustion engine control
01/14/1997US5592919 Electronic control system for an engine and the method thereof
01/08/1997EP0752523A1 Method and apparatus for controlling a diesel engine
12/1996
12/27/1996EP0750103A2 Exhaust gas recirculation system for an internal combustion engine
12/17/1996US5584467 For regulating the flow of fluid under a range of pressures
12/12/1996DE19620780A1 Exhaust gas feedback selection method for multi-cylinder IC engines
12/05/1996WO1996038660A1 Excess air factor detecting device and excess air factor controlling device for an engine
12/05/1996DE19543219C1 Diesel engine operating method
12/04/1996EP0745762A2 Exhaust gas recirculation system for engine
12/03/1996US5579743 Exhaust gas recirculation valve control apparatus
11/1996
11/21/1996WO1996036802A1 Control device for cylinder injection and spark ignition type internal combustsion engines
11/20/1996EP0593752B1 Feeding method for compression ignition internal combustion engines
11/07/1996DE19616555A1 Diesel engine with turbocharger
11/05/1996US5570673 Internal combustion engine control apparatus
10/1996
10/22/1996US5566655 Method for controlling the flow of fluid through an intake pipe of an internal combustion engine
10/22/1996US5566547 Controlling apparatus for introducing air into an exhaust pipe of an internal combustion engine
10/15/1996US5564283 Exhaust emission control system in internal combustion engine
10/08/1996US5562085 Device for controlling number of operating cylinders of an internal combustion engine
09/1996
09/24/1996US5558070 Exhaust gas recirculation in a two stroke engine
09/18/1996EP0732485A2 An exhaust gas purification device for an internal combustion engine
09/05/1996DE19606835A1 Control system for IC engine
09/03/1996US5551411 Combustion engine
09/03/1996US5551408 Exhaust gas recirculation control system for internal combustion engines
08/1996
08/29/1996WO1996026357A1 Supercharged internal combustion engine
08/29/1996DE19607538A1 Exhaust gas feedback control device for IC engine
08/20/1996US5546915 Exhaust gas recirculating system with reduced deposit
08/06/1996US5542390 Method of altitude compensation of exhaust gas recirculation in an intake manifold for an internal combustion engine
08/01/1996DE19502368A1 System for controlling recirculation of IC engine exhaust gas
07/1996
07/18/1996DE19500761A1 Diesel or petrol IC engine with at least two cylinder groups and catalyst
07/09/1996US5533489 Exhaust gas recirculation control system
07/04/1996WO1996020338A1 Flow rate controller of internal combustion engine
07/03/1996EP0719383A1 Method and device for determining the rate of flow of a gas through a valve in an internal-combustion engine
06/1996
06/13/1996DE4443651A1 IC engine control method esp. for engine with auto-ignition,
06/11/1996US5524591 Fuel supply amount control system for internal combustion engines
06/04/1996CA2053479C Ignition timing control apparatus for engine
05/1996
05/28/1996US5520594 Control system for automotive vehicle equipped with automatic transmission
05/28/1996US5520161 Exhaust gas recirculation system for a compression ignition engine and a method of controlling exhaust gas recirculation in a compression ignition engine
05/28/1996US5520159 In a vehicle
05/28/1996US5520153 Internal combustion engine control
05/28/1996US5520150 Apparatus and method for driving and controlling a stepping motor
05/22/1996EP0704021A4 Exhaust gas recirculation in two stroke internal combustion engines
05/21/1996US5517954 Induction method for a compression-ignition internal combustion engine
05/15/1996EP0711907A2 Internal combustion engine with supercharger
05/14/1996US5515833 In an internal combustion engine
04/1996
04/18/1996DE19537744A1 Engine exhaust feedback valve control device
04/16/1996US5507262 Control apparatus for internal combustion engine with exhaust gas recirculaton
04/10/1996CN1120362A Exhaust gas recirculation in two stroke internal combustion engines
04/09/1996US5505174 EGR rate estimation system for internal combustion engine
04/03/1996EP0704021A1 Exhaust gas recirculation in two stroke internal combustion engines
04/02/1996US5503131 Stepping motor driving apparatus and exhaust gas recirculation control system using the same
03/1996
03/26/1996US5501201 Flow quantity valve controller and manufacturing method for flow quantity valve
03/21/1996DE19534770A1 Diesel engine with EGR control
03/13/1996EP0701048A1 A cylinder head
02/1996
02/29/1996DE19530308A1 Exhaust gas recycling (EGR) system for vehicle IC engine
02/27/1996US5493858 Controlling apparatus for introduction air into exhaust pipe of internal combustion engine
01/1996
01/31/1996CN1115997A Exhaust gas recirculation in a two stroke engine
01/16/1996US5483938 Air-fuel ration control system for internal combustion engines
01/16/1996US5483935 Control system for internal combustion engines
01/16/1996US5483934 Method for operating a four-stroke internal combustion engine with externally supplied ignition and direct injection, and apparatus for performing the method
01/02/1996US5481462 Apparatus for determining an altitude condition of an automotive vehicle
01/02/1996US5479910 Method and device for controlling an internal combustion engine
12/1995
12/06/1995EP0685640A2 Flow quantity valve controller and manufacturing method for flow quantity valve
12/05/1995CA1337680C Closed cycle internal combustion engine
11/1995
11/23/1995WO1995028558A3 Method and device for operating a diesel engine
11/23/1995DE19517168A1 Control for catalyst in exhaust system of IC engine
11/22/1995EP0682743A1 Exhaust gas recirculation in a two stroke engine
11/21/1995US5467756 Device for controlling an amount of exhaust gas returned to an aspirating line
11/02/1995DE4414849A1 Fluid control system for Otto=cycle IC engine
10/1995
10/26/1995WO1995028558A2 Method and device for operating a diesel engine
10/19/1995DE4412966A1 Verfahren und Einrichtung zum Betreiben eines Dieselmotors Method and apparatus for operating a diesel engine
10/18/1995EP0677651A2 EGR rate estimation system for internal combustion engine
10/04/1995EP0675278A2 Control system for internal combustion engines
09/1995
09/28/1995DE4428976C1 IC engine for lean burn e.g. with excess air
09/26/1995EP0682743A4 Exhaust gas recirculation in a two stroke engine.
09/12/1995US5448887 Exhaust gas purification device for an engine
09/07/1995DE4434777C1 Turbocharged multicylinder diesel engine for vehicle
08/1995
08/23/1995EP0668439A1 System for reducing detonation phenomena in a combustion chamber of an endothermic engine
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